# Chemistry Calculators – Dilution Calculator (C1V1=C2V2)

> Chemistry Calculators – Dilution Calculator (C1V1=C2V2) is a paid API for AI agents from chemistry-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-30).

Solves the dilution equation C1×V1=C2×V2 for any missing variable given three known values, and returns solvent to add and dilution factor.

## Facts

- Endpoint: GET https://chemistry-calc.x402tookit.com/dilution?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chemistry-calculators-dilution-calculator-c1v1-c2v2-be2deb3b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_E2otu9zEsq5Y8x9-xo9YB

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability chemistry-calculators-dilution-calculator-c1v1-c2v2-be2deb3b
```

Example prompt: I have a 10 mM stock solution and I need to make 200 mL of a 0.5 mM working solution — can you solve the dilution equation and tell me how much stock to take and how much solvent to add?

## When to prefer this

Use this endpoint when you need a precise, programmatic solution to the standard dilution equation (C1V1=C2V2), especially inside an automated lab workflow or agent pipeline. It is purpose-built for chemistry dilution math and returns structured numeric results (including solvent to add and dilution factor) rather than a free-text explanation, making it preferable over a general LLM calculation for reproducibility and downstream data use.

## Known failure modes

- Fewer than three of the four parameters provided — endpoint cannot solve for more than one unknown
- Physically impossible values (e.g. final concentration greater than stock concentration) may return an error or null result
- Mismatched units (mixing mL and L, or mM and M) cause incorrect results since no unit conversion is performed
- Missing required query parameters returns a 400 or null response

## How this service works

Dilution equation C1 x V1 = C2 x V2: give any three values and get the fourth, plus solvent to add and the dilution factor.

## Output

Returns the four dilution variables (C1, C2, V1, V2) with the unknown solved, plus the volume of solvent to add, the dilution factor (C1/C2), and the stock fraction. Also includes a summary string and any applicable disclaimer or degraded-mode flags.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "c1": {
       "type": "number",
       "description": "Stock concentration (any unit)"
      },
      "c2": {
       "type": "number",
       "description": "Final concentration (same unit as c1)"
      },
      "v1": {
       "type": "number",
       "description": "Stock volume taken (any unit)"
      },
      "v2": {
       "type": "number",
       "description": "Final volume (same unit as v1)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "c1": {
       "type": [
        "null",
        "number"
       ]
      },
      "c2": {
       "type": [
        "null",
        "number"
       ]
      },
      "v1": {
       "type": [
        "null",
        "number"
       ]
      },
      "v2": {
       "type": [
        "null",
        "number"
       ]
      },
      "asOf": {
       "type": [
        "null",
        "string"
       ]
      },
      "source": {
       "type": [
        "null",
        "string"
       ]
      },
      "reasons": {
       "type": [
        "array",
        "null"
       ],
       "items": {
        "type": "string"
       }
      },
      "summary": {
       "type": [
        "null",
        "string"
       ]
      },
      "verdict": {
       "type": [
        "null",
        "string"
       ]
      },
      "degraded": {
       "type": [
        "boolean",
        "null"
       ]
      },
      "disclaimer": {
       "type": [
        "null",
        "string"
       ]
      },
      "notChecked": {
       "type": [
        "array",
        "null"
       ],
       "items": {
        "type": "string"
       }
      },
      "solventToAdd": {
       "type": [
        "null",
        "number"
       ]
      },
      "stockFraction": {
       "type": [
        "null",
        "number"
       ]
      },
      "dilutionFactor": {
       "type": [
        "null",
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chemistry-calculators-dilution-calculator-c1v1-c2v2-be2deb3b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from chemistry-calc.x402tookit.com](https://www.zero.xyz/host/chemistry-calc.x402tookit.com/llms.txt)